Answer:When a cell needs to move a molecule many times, it uses vesicles. Vesicles are cellular organelles that are composed of a lipid bilayer. You can think of vesicles as cellular envelopes that are used to transport materials from one place to another. Vesicles also function in metabolism and enzyme storage as well.
Explanation:
Answer:
The hydrogen bonds between water molecules
Explanation:
<span>Through the decay of tiny life forms (organic matter). For example, diatoms are microscopic single-celled algae. So their fossilized remains would be called Diatomaceous Earth. Basically, this is an organic nutrient-rich "soil" (& is used commercially as a fertilizer & as a natural pesticide- aka- Mother Nature's product w/ no harm to the environment, pets or to people).</span>
